445765420402742 has 64 divisors (see below), whose sum is σ = 758483145288000. Its totient is φ = 194623846932480.

The previous prime is 445765420402717. The next prime is 445765420402751. The reversal of 445765420402742 is 247204024567544.

It is a super-2 number, since 2×445765420402742² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1514243438 + ... + 1514537790.

It is an arithmetic number, because the mean of its divisors is an integer number (11851299145125).

Almost surely, 2^{445765420402742} is an apocalyptic number.

445765420402742 is a deficient number, since it is larger than the sum of its proper divisors (312717724885258).

445765420402742 is a wasteful number, since it uses less digits than its factorization.

445765420402742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306641.

The product of its (nonzero) digits is 60211200, while the sum is 56.

The spelling of 445765420402742 in words is "four hundred forty-five trillion, seven hundred sixty-five billion, four hundred twenty million, four hundred two thousand, seven hundred forty-two".